/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jkiss.dbeaver.ext.sqlite;

import org.jkiss.dbeaver.Log;
import org.jkiss.dbeaver.ext.generic.model.GenericTable;
import org.jkiss.dbeaver.ext.sqlite.model.SQLiteObjectType;
import org.jkiss.dbeaver.model.DBUtils;
import org.jkiss.dbeaver.model.exec.jdbc.JDBCSession;
import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSource;
import org.jkiss.dbeaver.model.impl.jdbc.JDBCUtils;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;

/**
 * SQLiteUtils
 */
public class SQLiteUtils {

    private static final Log log = Log.getLog(SQLiteUtils.class);


    public static String readMasterDefinition(DBRProgressMonitor monitor, JDBCDataSource dataSource, SQLiteObjectType objectType, String sourceObjectName, GenericTable table) {
        try (JDBCSession session = DBUtils.openMetaSession(monitor, dataSource, "Load PostgreSQL description")) {
            return JDBCUtils.queryString(
                session,
                "SELECT sql FROM sqlite_master WHERE type=? AND name=? AND tbl_name=?\n" +
                "UNION ALL\n" +
                "SELECT sql FROM sqlite_temp_master WHERE type=? AND name=? AND tbl_name=?\n",
                objectType.name(), sourceObjectName, table.getName(),
                objectType.name(), sourceObjectName, table.getName());
        } catch (Exception e) {
            log.debug(e);
            return null;
        }
    }
}
